@article{AIHPA_1980__32_1_73_0,
     author = {Charfi, Abdelwaheb},
     title = {Sur les extensions et la cohomologie des repr\'esentations des groupes $H_n \, \wedge \, SO(n)$},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {73--90},
     publisher = {Gauthier-Villars},
     volume = {32},
     number = {1},
     year = {1980},
     mrnumber = {574813},
     zbl = {0468.22010},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/AIHPA_1980__32_1_73_0/}
}